CALCULATIONS 6. Acceleration figures for cars usually are given as the number of seconds needed to go from 0.0 to 97 km/h. a. What is the average acceleration of Car A? Car B? Car C? b. Which car can go from 0.0 to 97 km/h in the shortest time? Does this car have the highest acceleration or the lowest? c. For acceleration from 0.0 to 97 km/h, which direction is the acceleration vector pointing? Explain your answer. d. When a car is braking from 97 km/h to 0.0 km/h, is it positive or negative acceleration? Explain your answer. e. Based on the information shown in the figure, which car would you consider to be the safest? Why?

What is the acceleration of a spaceship that is initially at rest and then speeds up to 220 m/s in 20 seconds

Imagine you work as a consultant, and your daily job involves listening to the constructive criticism of others. as part of your job, you must listen to opposing viewpoints to make important decisions. in this activity, you are a consulting dam engineer. you must make a decision about four different dams; should they be repaired, taken down, or left alone? you will listen to contrasting opinions about what should be done with the dams before you make the final decision. as the consulting dam engineer, what do you decide to do with this dam? explain your reasoning. by making your decision, did you support the opinions of the mayor and/or the dam safety official? why or why not? (site 1)

Acar jack with a mechanical advantage of 6 needs to produce an output force of 600 n to raise a car. what input force is required? 6 n 100 n 600 n 3,600 n